Jet pump structure for a fuel tank

Details Jet pump structure for a fuel tank Jet pump structure for a fuel tank

1989-12-01

1991-06-18

Smith, Leonard E.

Pumps

One fluid pumped by contact or entrainment with another

Jet

417194, F04F 546

Patent

active

050245830

ABSTRACT:
A jet pump structure for a fuel tank having first and second chambers therein includes first, second and third fuel pipes all of which are connected to a vacuum chamber provided within the fuel tank. The first pipe returns oversupplied fuel into the vacuum chamber, the second pipe transfers fuel stored in the first chamber into the vacuum chamber, and the third pipe receives the fuel from the first and second pipes. A silencer unit is connected to the third pipe for receiving the fuel from the third pipe and discharging the fuel into the second chamber. A flow guide member is provided within the first pipe receives the oversupplied fuel and forms same a swirl flow. The swirl flow is ejected from the first pipe to provide a vacuum the vacuum chamber.

REFERENCES:
patent: 2953156 (1960-09-01), Bryant
patent: 3134338 (1964-05-01), Dodge
patent: 4834132 (1989-05-01), Sasaki et al.

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